The diagram below shows the same plant cell, as viewed with the light microscope, and with the transmission electron microscope. Animal and plant cells have certain structures in common.

Before arriving at Janelia three years ago, Postdoctoral Scientist Antonio Fiore was designing and building optical ...

Feb. 10, 2025 — Evolution is traditionally associated with a process of increasing complexity and gaining new genes. However, the explosion of the genomic era shows that gene loss and ...

All animals live in or seek a set of climate conditions they find tolerable. This "climate envelope" partially determines where animals are found, but the continued existence of many species now ...